Condensed Consolidating Financial Information, Statements of Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Operating activities:
Net income	$ 797.3	$ 621.3	$ 666.0	$ 771.0	$ 669.7	$ 643.1	$ 570.0	$ 670.2	$ 2,855.6	$ 2,553.0	$ 2,558.4
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion									1,644.0	1,552.0	1,516.0
Equity in income of unconsolidated affiliates									(426.0)	(362.0)	(373.6)
Distributions received on earnings from unconsolidated affiliates									433.7	380.5	462.1
Net effect of changes in operating accounts and other operating activities									159.0	(56.7)	(160.5)
Net cash flows provided by operating activities									4,666.3	4,066.8	4,002.4
Investing activities:
Capital expenditures, net of contributions in aid of construction costs									(3,101.8)	(2,984.1)	(3,811.6)
Cash used for business combinations, net of cash received									(198.7)	(1,000.0)	(1,056.5)
Proceeds from asset sales and insurance recoveries									40.1	46.5	1,608.6
Other investing activities									(25.7)	(68.2)	(166.4)
Cash used in investing activities									(3,286.1)	(4,005.8)	(3,425.9)
Financing activities:
Borrowings under debt agreements									69,315.3	62,813.9	21,081.1
Repayments of debt									(68,459.6)	(61,672.6)	(19,867.2)
Cash distributions paid to owners									(3,569.9)	(3,300.5)	(2,943.7)
Cash payments made in connection with DERs									(15.1)	(11.7)	(7.7)
Cash distributions paid to noncontrolling interests									(49.2)	(47.4)	(48.0)
Cash contributions from noncontrolling interests									0.4	20.4	54.0
Net cash proceeds from the issuance of common units									1,073.4	2,542.8	1,188.6
Cash contributions from owners									0.0	0.0	0.0
Other financing activities									(22.8)	(23.2)	(73.1)
Cash provided by (used in) financing activities									(1,727.5)	321.7	(616.0)
Net change in cash and cash equivalents									(347.3)	382.7	(39.5)
Cash, cash equivalents and restricted cash, January 1				417.6				34.9	417.6	34.9	74.4
Cash, cash equivalents and restricted cash, December 31	70.3				417.6				70.3	417.6	34.9
Eliminations and Adjustments [Member]
Operating activities:
Net income									(2,865.4)	(2,542.0)	(2,550.2)
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion									0.0	0.0	0.0
Equity in income of unconsolidated affiliates									2,865.4	2,539.9	2,548.7
Distributions received on earnings from unconsolidated affiliates									(3,574.6)	(3,331.2)	(3,000.2)
Net effect of changes in operating accounts and other operating activities									(1.0)	1.2	1.5
Net cash flows provided by operating activities									(3,575.6)	(3,332.1)	(3,000.2)
Investing activities:
Capital expenditures, net of contributions in aid of construction costs									0.0	0.0	0.0
Cash used for business combinations, net of cash received									0.0	0.0	0.0
Proceeds from asset sales and insurance recoveries									0.0	0.0	0.0
Other investing activities									1,060.5	2,530.9	1,179.8
Cash used in investing activities									1,060.5	2,530.9	1,179.8
Financing activities:
Borrowings under debt agreements									0.0	0.0	0.0
Repayments of debt									0.0	0.0	0.0
Cash distributions paid to owners									3,574.6	3,331.2	3,000.2
Cash payments made in connection with DERs									0.0	0.0	0.0
Cash distributions paid to noncontrolling interests									1.0	0.9	0.0
Cash contributions from noncontrolling interests									0.0	0.0	0.0
Net cash proceeds from the issuance of common units									0.0	0.0	0.0
Cash contributions from owners									(1,060.5)	(2,530.9)	(1,179.8)
Other financing activities									0.0	0.0	0.0
Cash provided by (used in) financing activities									2,515.1	801.2	1,820.4
Net change in cash and cash equivalents									0.0	0.0	0.0
Cash, cash equivalents and restricted cash, January 1				0.0				0.0	0.0	0.0	0.0
Cash, cash equivalents and restricted cash, December 31	0.0				0.0				0.0	0.0	0.0
Subsidiary Issuer (EPO) [Member]
Operating activities:
Net income									2,860.6	2,536.2	2,544.9
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion									216.6	185.4	144.9
Equity in income of unconsolidated affiliates									(2,990.1)	(2,686.1)	(2,718.4)
Distributions received on earnings from unconsolidated affiliates									1,162.8	1,127.3	1,989.6
Net effect of changes in operating accounts and other operating activities									2,812.2	2,448.6	882.8
Net cash flows provided by operating activities									4,062.1	3,611.4	2,843.8
Investing activities:
Capital expenditures, net of contributions in aid of construction costs									(846.8)	(1,327.4)	(1,180.0)
Cash used for business combinations, net of cash received									(7.3)	0.0	(1,069.9)
Proceeds from asset sales and insurance recoveries									17.0	28.8	1,531.3
Other investing activities									(1,908.5)	(2,301.9)	(1,499.0)
Cash used in investing activities									(2,745.6)	(3,600.5)	(2,217.6)
Financing activities:
Borrowings under debt agreements									69,349.3	62,813.9	21,081.1
Repayments of debt									(68,459.5)	(61,672.5)	(19,867.2)
Cash distributions paid to owners									(3,574.6)	(3,331.2)	(3,000.2)
Cash payments made in connection with DERs									0.0	0.0	0.0
Cash distributions paid to noncontrolling interests									0.0	0.0	0.0
Cash contributions from noncontrolling interests									0.0	0.0	0.0
Net cash proceeds from the issuance of common units									0.0	0.0	0.0
Cash contributions from owners									1,060.5	2,530.9	1,179.8
Other financing activities									6.8	(0.2)	(24.0)
Cash provided by (used in) financing activities									(1,617.5)	340.9	(630.5)
Net change in cash and cash equivalents									(301.0)	351.8	(4.3)
Cash, cash equivalents and restricted cash, January 1				366.2				14.4	366.2	14.4	18.7
Cash, cash equivalents and restricted cash, December 31	65.2				366.2				65.2	366.2	14.4
Other Subsidiaries (Non-guarantor) [Member]
Operating activities:
Net income									3,191.4	2,891.1	2,804.4
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion									1,427.8	1,367.0	1,371.5
Equity in income of unconsolidated affiliates									(566.8)	(521.7)	(417.5)
Distributions received on earnings from unconsolidated affiliates									272.7	265.9	307.7
Net effect of changes in operating accounts and other operating activities									(2,726.3)	(2,568.5)	(1,031.0)
Net cash flows provided by operating activities									1,598.8	1,433.8	3,035.1
Investing activities:
Capital expenditures, net of contributions in aid of construction costs									(2,255.0)	(1,656.7)	(2,631.6)
Cash used for business combinations, net of cash received									(191.4)	(1,000.0)	13.4
Proceeds from asset sales and insurance recoveries									23.1	17.7	77.3
Other investing activities									(28.0)	(63.2)	(1,246.7)
Cash used in investing activities									(2,451.3)	(2,702.2)	(3,787.6)
Financing activities:
Borrowings under debt agreements									0.0	41.8	133.9
Repayments of debt									(0.1)	(0.1)	0.0
Cash distributions paid to owners									(1,065.3)	(1,089.6)	(1,882.4)
Cash payments made in connection with DERs									0.0	0.0	0.0
Cash distributions paid to noncontrolling interests									(9.6)	(8.5)	(0.8)
Cash contributions from noncontrolling interests									0.1	20.4	54.4
Net cash proceeds from the issuance of common units									0.0	0.0	0.0
Cash contributions from owners									1,900.0	2,292.2	2,445.0
Other financing activities									0.0	0.0	3.1
Cash provided by (used in) financing activities									825.1	1,256.2	753.2
Net change in cash and cash equivalents									(27.4)	(12.2)	0.7
Cash, cash equivalents and restricted cash, January 1				58.9				71.1	58.9	71.1	70.4
Cash, cash equivalents and restricted cash, December 31	31.5				58.9				31.5	58.9	71.1
Consolidated EPO and Subsidiaries [Member]
Operating activities:
Net income									2,921.7	2,581.9	2,587.4
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion									1,644.0	1,552.0	1,516.0
Equity in income of unconsolidated affiliates									(426.0)	(362.0)	(373.6)
Distributions received on earnings from unconsolidated affiliates									433.7	380.5	462.1
Net effect of changes in operating accounts and other operating activities									66.8	(76.8)	(184.1)
Net cash flows provided by operating activities									4,640.2	4,075.6	4,007.8
Investing activities:
Capital expenditures, net of contributions in aid of construction costs									(3,101.8)	(2,984.1)	(3,811.6)
Cash used for business combinations, net of cash received									(198.7)	(1,000.0)	(1,056.5)
Proceeds from asset sales and insurance recoveries									40.1	46.5	1,608.6
Other investing activities									(25.7)	(68.2)	(166.4)
Cash used in investing activities									(3,286.1)	(4,005.8)	(3,425.9)
Financing activities:
Borrowings under debt agreements									69,315.3	62,813.9	21,081.1
Repayments of debt									(68,459.6)	(61,672.6)	(19,867.2)
Cash distributions paid to owners									(3,574.6)	(3,331.2)	(3,000.2)
Cash payments made in connection with DERs									0.0	0.0	0.0
Cash distributions paid to noncontrolling interests									(50.2)	(48.3)	(48.0)
Cash contributions from noncontrolling interests									0.4	20.4	54.0
Net cash proceeds from the issuance of common units									0.0	0.0	0.0
Cash contributions from owners									1,060.5	2,530.9	1,179.8
Other financing activities									6.8	(0.2)	(20.9)
Cash provided by (used in) financing activities									(1,701.4)	312.9	(621.4)
Net change in cash and cash equivalents									(347.3)	382.7	(39.5)
Cash, cash equivalents and restricted cash, January 1				417.6				34.9	417.6	34.9	74.4
Cash, cash equivalents and restricted cash, December 31	70.3				417.6				70.3	417.6	34.9
Consolidated EPO and Subsidiaries [Member] | Eliminations and Adjustments [Member]
Operating activities:
Net income									(3,130.3)	(2,845.4)	(2,761.9)
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion									(0.4)	(0.4)	(0.4)
Equity in income of unconsolidated affiliates									3,130.9	2,845.8	2,762.3
Distributions received on earnings from unconsolidated affiliates									(1,001.8)	(1,012.7)	(1,835.2)
Net effect of changes in operating accounts and other operating activities									(19.1)	43.1	(35.9)
Net cash flows provided by operating activities									(1,020.7)	(969.6)	(1,871.1)
Investing activities:
Capital expenditures, net of contributions in aid of construction costs									0.0	0.0	0.0
Cash used for business combinations, net of cash received									0.0	0.0	0.0
Proceeds from asset sales and insurance recoveries									0.0	0.0	0.0
Other investing activities									1,910.8	2,296.9	2,579.3
Cash used in investing activities									1,910.8	2,296.9	2,579.3
Financing activities:
Borrowings under debt agreements									(34.0)	(41.8)	(133.9)
Repayments of debt									0.0	0.0	0.0
Cash distributions paid to owners									1,065.3	1,089.6	1,882.4
Cash payments made in connection with DERs									0.0	0.0	0.0
Cash distributions paid to noncontrolling interests									(40.6)	(39.8)	(47.2)
Cash contributions from noncontrolling interests									0.3	0.0	(0.4)
Net cash proceeds from the issuance of common units									0.0	0.0	0.0
Cash contributions from owners									(1,900.0)	(2,292.2)	(2,445.0)
Other financing activities									0.0	0.0	0.0
Cash provided by (used in) financing activities									(909.0)	(1,284.2)	(744.1)
Net change in cash and cash equivalents									(18.9)	43.1	(35.9)
Cash, cash equivalents and restricted cash, January 1				(7.5)				(50.6)	(7.5)	(50.6)	(14.7)
Cash, cash equivalents and restricted cash, December 31	(26.4)				(7.5)				(26.4)	(7.5)	(50.6)
Enterprise Products Partners L.P. (Guarantor) [Member]
Operating activities:
Net income									2,799.3	2,513.1	2,521.2
Reconciliation of net income to net cash flows provided by operating activities:
Depreciation, amortization and accretion									0.0	0.0	0.0
Equity in income of unconsolidated affiliates									(2,865.4)	(2,539.9)	(2,548.7)
Distributions received on earnings from unconsolidated affiliates									3,574.6	3,331.2	3,000.2
Net effect of changes in operating accounts and other operating activities									93.2	18.9	22.1
Net cash flows provided by operating activities									3,601.7	3,323.3	2,994.8
Investing activities:
Capital expenditures, net of contributions in aid of construction costs									0.0	0.0	0.0
Cash used for business combinations, net of cash received									0.0	0.0	0.0
Proceeds from asset sales and insurance recoveries									0.0	0.0	0.0
Other investing activities									(1,060.5)	(2,530.9)	(1,179.8)
Cash used in investing activities									(1,060.5)	(2,530.9)	(1,179.8)
Financing activities:
Borrowings under debt agreements									0.0	0.0	0.0
Repayments of debt									0.0	0.0	0.0
Cash distributions paid to owners									(3,569.9)	(3,300.5)	(2,943.7)
Cash payments made in connection with DERs									(15.1)	(11.7)	(7.7)
Cash distributions paid to noncontrolling interests									0.0	0.0	0.0
Cash contributions from noncontrolling interests									0.0	0.0	0.0
Net cash proceeds from the issuance of common units									1,073.4	2,542.8	1,188.6
Cash contributions from owners									0.0	0.0	0.0
Other financing activities									(29.6)	(23.0)	(52.2)
Cash provided by (used in) financing activities									(2,541.2)	(792.4)	(1,815.0)
Net change in cash and cash equivalents									0.0	0.0	0.0
Cash, cash equivalents and restricted cash, January 1				$ 0.0				$ 0.0	0.0	0.0	0.0
Cash, cash equivalents and restricted cash, December 31	$ 0.0				$ 0.0				$ 0.0	$ 0.0	$ 0.0